Index: openmp/trunk/README.rst
===================================================================
--- openmp/trunk/README.rst
+++ openmp/trunk/README.rst
@@ -194,7 +194,7 @@
 **LIBOMP_OMPT_SUPPORT** = ``ON|OFF``
   Include support for the OpenMP Tools Interface (OMPT). 
   This option is supported and ``ON`` by default for x86, x86_64, AArch64, and 
-  PPC64 on Linux*, Windows*, and macOS*.
+  PPC64 on Linux* and macOS*.
   This option is ``OFF`` if this feature is not supported for the platform.
 
 **LIBOMP_OMPT_OPTIONAL** = ``ON|OFF``
Index: openmp/trunk/runtime/CMakeLists.txt
===================================================================
--- openmp/trunk/runtime/CMakeLists.txt
+++ openmp/trunk/runtime/CMakeLists.txt
@@ -302,7 +302,7 @@
 # OMPT-support defaults to ON for OpenMP 5.0+ and if the requirements in
 # cmake/config-ix.cmake are fulfilled.
 set(OMPT_DEFAULT FALSE)
-if ((${LIBOMP_OMP_VERSION} GREATER 49) AND (LIBOMP_HAVE_OMPT_SUPPORT))
+if ((${LIBOMP_OMP_VERSION} GREATER 49) AND (LIBOMP_HAVE_OMPT_SUPPORT) AND (NOT WIN32))
   set(OMPT_DEFAULT TRUE)
 endif()
 set(LIBOMP_OMPT_SUPPORT ${OMPT_DEFAULT} CACHE BOOL